Archer C6 limiting the internet connection to 100mbps
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I have a 240/20 Mbps internet connection.
When I connect directly to the modem using the same cat5e cable, the ethernet connection is stablished at 1000 Mbps (1 Gbps) and the internet speed reaches 240 Mbps of download.
When I use the same cable to connect the Archer C6 to the modem, it seems that the ethernet connection between them is stablished at 100 Mbps, because my internet is limited to ~95 Mbps
In this last scenario (using the Archer C6 between my computer and the modem), I use another cat5e cable from my computer do the Archer C6, and the connection between them is stablished at 1000 Mbps.
So, the diagnosis is that (most probably) the Archer C6 is stablishing 100 Mbps with my modem, because using the same cabe directly from my pc to the same modem, the ethernet connection is stablished at 1000 Mbps, not limiting my internet bandwidth.
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Hi Mike, what is the device connected to the LAN 1 port? Try other suggestions, such as changing with a different/new cat 5e/6 cable, or testing with another wired device to check if it can negotiate at 1000Mbps automatically, try other LAN ports.
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Hi @Kevin_Z In my previous post, the 1000Mbps is the incoming signal from the router. The 100 Mbps is the outgoing to a Dell PC. Any device that connects to the Archer A6 (wireless or wired) is throttled down to 100Mbps. On the wired computer side, it sees it as 1.0 Gbps. I have tried 3 Cat5e/6 cables with the same result. Also, I have taken the Archer A6 offline and put a Ethernet connector between the two cables and I get 1Gbps speeds for over a week. By switching LAN ports, I resume the 1Gbps for a few hours, and then it reverts to 100Mbps.
When I restarted the Archer A6, I was able to get 1Gbps through it for about 1 day, then it slowed everything down to 100Mbs.
Thank you for your help.
Mike
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Will this work for Archer A7 model? I have the same issue. ISP speed is 500 but WiFi is being capped at close to 100. I am using the equipment in router mode. QoS is disabled.
Thanks
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Hi, please try my previous suggestions provided on this thread, and get back with the testing results, we will try to figure it out, thanks.
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@Kevin_Z I put a Gigabit switch to route to my wired PC connection instead of going through the Archer A6.
OLD
MODEM (wifi) -> Archer A6 (wifI) -> Hardwire PC
NEW
MODEM (wifi) -> Gigabit Switch -> Archer A6 (wifI)
-> Hardwire PC
Ever since I isolated the Archer A6 to just be a wifi extender, the speeds have been maintained as expected. Not an ideal solution, but the spare switch came in handy.
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Thank you very much for sharing this valued solution, it's glad to know this fix the speed issue you were experiencing. This is not an ideal solution as you said for others maybe, while it's hard to say why the router cannot negotiate at the gigabit speed with the computer, we will keep investigating this issue.
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Hi, if any of you still encounter an issue with the speed, which is capped at 100 Mbps when connecting to the TP-Link router, please check the troubleshooting suggestions we provided here, and report back if the issue is resolved or not:
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My speed is limiting to 100mbps when i connect to tplink. But when i connect to my main modem it gives me full bandwitch of 300mbps
Somewhere there is a fault in tplink archer C6 v2.0
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Hi, we found you also created a support ticket about the speed issue. If you have already followed the suggestions we provided in the above thread, please continue to discuss the issue with the support engineers, they will try to figure it out.
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